PROMOTING EFFECTS OF THORIA AND MOLYBDENA ON COBALT CATALYSTS IN THE HYDROGENATION OF CO

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Title:	PROMOTING EFFECTS OF THORIA AND MOLYBDENA ON COBALT CATALYSTS IN THE HYDROGENATION OF CO
Authors:	CHEN,YZ;WANG,TH
Contributors:	化學工程與材料工程學系
Keywords:	CARBON-MONOXIDE;SUPPORT;SYNGAS;H-2
Date:	1993
Issue Date:	2010-06-29 17:34:59 (UTC+8)
Publisher:	中央大學
Abstract:	Thoria- or molybdena-promoted Co/silica (alumina) catalysts were prepared by co-impregnation. The catalysts were characterized with temperature programmed reduction and temperature programmed surface reaction techniques and hydrogenation of carbon monoxide. Thoria enhanced not only the activity but also the selectivity of olefins and long-chain hydrocarbons. Molybdena effectively promoted only the activity, but did not alter the product distribution pattern. Thoria and molybdena exhibited a tendency to spread onto and to interact intimately with alumina; the promoting effects on alumina were much less pronounced than on silica.
Relation:	CATALYSIS LETTERS
Appears in Collections:	[National Central University Department of Chemical & Materials Engineering] journal & Dissertation

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